Orchard heater



9 J. E. ADAMSON ET AL ,835

ORCHARD. HEATER Filed Jan. 14, 1931 2 Sheets-Sheet 1 In venior e/o'aEJ502260 J/zw ZZf'ywr 44 k) .sara

A llomey Dec. 8,- 1931. J. E. ADAMSON- ET AL OBCHARD HEATER 2 Sheets-Sheet 2 Filed Jan. 14, 1931 Inventor J14? 11%770Jam a/z/n zayarflazzmow A Home y Patented Dec. 8, 1931 s'rs PATENT oer-Ice J6EE E.ADAMSON AND JOHN EDGAR ADATVISON, F POMOIIA, CALIFORNIA ORCHARD HEATER,

Application filed January 14, 1931. :Serial No. 508,748.

The present invention relates to orchard heaters used in protectingorchards against v veution resides in the provision of a device of thisnature which is thoroughly efficient and reliable in use and otherwisewell adapted for the purpose for which it is designed.

v s ith the abo e and numerous other objects in view as will appear asthe description proceeds, the invention resides in certain novelfeatures of construction, and in the combination and arrangement ofparts as will be hereinafter more fully described and claimed.

In the drawings:

Figure 1 is a side elevation of the device embodying the features of ourinvention.

Figure 2 is a top plan view thereof.

Figure 3 is a horizontal section taken substantially on the line 3--3 ofFigure 1.'

Figure 4 is a vertical section taken substantially on the line l l ofFigure 1.

Figure 5 is a sectional elevation of the device with the snuflerthereover, and

Figure 6 is a horizontal section therethrough taken substantially on theline 6-6 of Figure 5.

Referring to the drawings in detail it will be seen that the numeral 5denotes a hollow body herein shown as cylindrical and formed with aplurality of spaced annular series of openings 6. Between the bottompair of series 6 there is pressed inwardly an annular head or shoulder'Z on which rests a grate disk 8 having a plurality of perforations 9.At the bottom of the cylinder 5 there is an outwardly projecting annularflange 10. An

0 outwardly directed annular flange 11 is formed at the top of thecylinder 5. A cover 12 hasit-s longitudinal edges bent under itself asat 14 to form grooves to slide over the flange 11. Sue end of this coverhas a V- shaped notch 15 formed thereon. A 'downwardly projecting'stop16 is formed at the other end of the cover. The numeral 17 denotes acylinder the top end of which is closed as at 18. The cylinder 1? is. oflarger diameter than the cylinder 5 and may be placed over the cylinder5' for snufling out the fire when desired. The draft is controlled bythe adjustment of the cover 12 as will be quite apparent.

The cover 12 may be dispensed with, and the draft cont-rolledprogressively by the series of openings 6' as the tire burns down,through the medium of a cylinder 17 that is adapted to be disposedconcentrically of cylinder 5, and which is also of a diameter greaterthan the cylinder 17 may be retained at any desired fixed adjustmentthrough the medium of a spring pressed latch rod 19 0perable in a guidesleeve 20 provided therefor, on thewall of cylinder 17 adjacent thelower end of the cylinder. The inner end of rod 19 is adapted to projectinto one of the openings of any selected series of openings 6 forretaining the cylinder 17 in a fixed adjusted position.

From the above detailed description it will be seen that we have deviseda heater which is exceedingly simple in its construction, inexpensive tomanufacture, strong and durable, having its parts arranged for ease ofassembly and disassembly and it will also be noted that we have deviseda snufier which may be easily and quickly placed over the heater tosnuff out the fire when desired.

It is thought that the construction, utility Having thus described ourinvention, What We claim as new is:

1. In an orchard heater of the class described, a cylindrical casinghaving a pinrality of spaced annular series of openings, an inwardlypressed bead formed in the casing between the lower pair of series ofopenings, a perforated disk resting on the bead, an annular flangeprojecting from the bottom end of the casing, a snuffer including acylinder with a closed top, said cylinder being adapted to receive thecasing With the lower edge of the member resting on the flange.

2. In a heater of the class described, a casing opened at its top, andprovided on its peripheral wall with'vertically spaced annular series ofperforations,closure means for the open top of the casing includingmeans for controlling the series of openings, to thereby control thedraft progressively through the length of the easing.

3. In a. heater of the class described, a casing provided with avertical series of relatively spaced openings, means shiftable axiallyof the casing for controlling said openings to thereby progressivelycontrol the draft, and means for securing said member at the desiredadjustment.

4. In a heater of the class described, a casing, provided withvertically spaced circular series of openings, a cylinder circinnjacentthe casing. and means carried by the cylinder and engageable with thecasing for securing the cylinder at the desired vertical adjustmentrelative to the casing.

In testimony whereof we affix our signatures.

JOHN ADAlilFUU. JOHN EDGAR liDi ilrlfdOi.

